One is a prequel to the original series and involves “24” creators Joel Surnow and Bob Cochran, said Walden.

The other series is set in the legal world and would be a new take on the franchise, she said. The action unfolds in the 24 hours before a prisoner”s execution and involves high “emotional stakes,” Newman said.

They didn”t share further details.

Kiefer Sutherland starred in the original “24” that aired from 2001 to 2010 and in a limited 2014 version. The short-lived 2016-17 reboot “24: Legacy” featured Corey Hawkins.